Speaker grille



FIG. 1 is a front, left, top isometric view of a speaker grille showing our new design; and,

FIG. 2 is a front elevational view thereof.

The broken lines shown in FIGS. 1 and 2 are included for the purpose of illustrating environmental elements only and form no part of the claimed design. 

The ornamental design for a speaker grille, as shown and described. 